#abs 取绝对值
#round 四舍五入
# def add(a,b):
#     return abs(a)+abs(b)
#
# a,b=map(float,input().split())
# result=add(a,b)
# print(result)

# def add(a,b):
#     return round(a)+round(b)
#
# a,b=map(float,input().split())
# result=add(a,b)
# print(result)

# def add(a,b,f):
#     return f(a)+f(b)
#
# a,b=map(float,input().split())
# result=add(a,b,round)
# print(result)

# def add(a,b,f):
#     return f(a)+f(b)
#
# a,b=map(float,input().split())
# result=add(a,b,abs)
# print(result)